ADU Contractors near Louisville, CO
Little Home Builder
12509 Lk Pt Ct, Longmont, CO CO 80504
17.3 miles
Little Home Builder is Colorado's dedicated ADU contractor, specializing in stick-built detached ADUs, garage conversions & studios. Full-service from zoning to warranty. Build time: 4–8 months. Financing options available.
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5 Rings Construction
12446 Tomahawk Rd, Parker, CO 80138
37.3 miles
NAGY Design
2255 Sheridan Blvd. Unit C270, Edgewater, CO 80214
16 miles
NAGY Design built a standout 2,200 sq ft detached ADU in Denver's Sloan's Lake, nominated for Best ADU 2022. Costs range $100K–$300K. Their full-service process covers planning, permits, and construction oversight.
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Kalin Construction
201 Columbine Street, Denver, CO 80206
20 miles
As experienced ADU builders in Denver, Kalin Construction has helped numerous homeowners bring their visions for their homes to life. They'll listen to your wants and needs for the project, then craft an ADU that checks all of your boxes. Whether you're interested in a detached ADU or another type of accessory dwelling unit, they specialize in ADU projects that can provide affordable housing and passive income.
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DL Engineering Inc.
9100 West Jewell Avenue, Lakewood, CO 80232
20.3 miles
Denver ADUs (granny flats, garage conversions, in-law units) offer affordable housing density solutions. DL Engineering Inc. provides structural engineering, design, and permitting services for Denver accessory dwelling unit projects.
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Prenvalley Builders
5180 Fox Street, Denver, CO 80216
16.1 miles
Prenvalley Builders is Denver's trusted ADU contractor & custom home builder. Specializing in ADUs, renovations, pop-tops & garages across the Front Range, they offer a seamless design-build process with honest pricing & energy-efficient construction.
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AAA Home Improvements
10701 West Morrison Road, Lakewood, CO 80227
21 miles
AAA Home Improvements is a Denver ADU contractor building detached, garage conversion, basement, above-garage, and attached ADUs across the Front Range. They manage design, permitting, and construction for homeowners seeking rental income, multigenerational living, or added property value.
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ADU4U
2422 Champa Street, Denver, CO 80205
17.2 miles
ADU4U is a veteran-owned ADU builder in Denver offering full-service accessory dwelling unit construction, planning, real estate, and financing. Build a granny flat, in-law suite, or detached ADU for rental income or multigenerational living.
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Colorado Tiny Homes
200 S Wilcox St., #301, Castle Rock, CO 80104
44 miles
Colorado Tiny Homes builds luxury, eco-friendly ADUs across Denver, Castle Rock & the Rockies. Offering standard, mid-range & custom models, plus garage conversions. Free lot assessment included. Full permitting & project management handled.
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Rocky Mountain ADUs
Loveland, CO 80435
29.7 miles
Rocky Mountain ADUs is a Denver-based, family-owned ADU builder offering full-service design, permitting & construction. They provide studio, 1-, 2-, 3-bedroom & loft ADU floor plans, supporting rental income & multi-generational living.
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TinyMod
8150 Gray Fox Dr, Evergreen, CO 80439
24.7 miles
TinyMod (TMOD™) is an offsite development partner offering feasibility analysis, project management, and factory coordination for builders. Services support ADUs, modular communities, BFR, and missing middle housing with up to 60% faster build times.
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O'Brien Construction LLC
2235 West 47th Avenue, Denver, CO 80211
14.8 miles
O'Brien Construction LLC is an ADU contractor specializing in design, engineering, and construction of accessory dwelling units. Services include detached ADUs, additions, and design-assisted builds, with free consultations available.
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JT Home Building
1001 Bannock St Suite 416, Denver, CO 80204
18.4 miles
JT Home Building specializes in ADU construction with 15+ years of experience. Services include detached ADUs, garage conversions, granny flats & casitas. Custom solutions for rental income, family housing & property value growth.
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ALH Contracting
4950 South Yosemite Street, Greenwood Village, CO 80111
27.6 miles
ADUs are self-contained units like garage apartments or granny flats built on existing properties. In Denver, ALH Contracting helps homeowners build ADUs for rental income, family housing, or added property value.
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LITTLETON, LLC
6698 South Iris Street, Littleton, CO 80162
26 miles
Littleton Construction, LLC is a Denver Metro general contractor since 1994, offering remodeling, additions, kitchens, basements & more. A+ BBB rated, licensed & insured, with 5-star reviews and a 1-year workmanship warranty.
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Other cities in Colorado
What you need to know
ADU Contractors in Louisville, Colorado: Building in a Thriving Boulder County Community
Louisville, Colorado, consistently ranked among the best places to live in the United States, is a vibrant city nestled between Boulder and Broomfield in Boulder County. With its strong sense of community, proximity to major tech employers, and a booming housing market, Louisville has seen a significant rise in demand for Accessory Dwelling Units (ADUs). Experienced ADU contractors in Louisville, CO understand the unique character of this city — from its historic Old Town neighborhoods to its newer planned communities — and can help homeowners navigate local regulations to maximize their property's potential.
Louisville ADU Regulations and Zoning Requirements
Before breaking ground, it's essential to understand that ADU construction in Louisville is governed by the City of Louisville's Municipal Code and must comply with Boulder County guidelines where applicable. Louisville permits both attached and detached ADUs in residential zones, but there are specific rules contractors must follow:
- Maximum ADU size is typically limited to 1,000 square feet or a percentage of the primary dwelling's square footage.
- ADUs must meet setback requirements, which vary depending on the zoning district and lot size.
- Off-street parking requirements may apply, though some exceptions exist for properties near transit corridors.
- Owner-occupancy requirements may be in place, meaning the property owner must reside in either the primary home or the ADU.
- All ADU projects require building permits issued by the City of Louisville Building Division.
Why Hire a Local ADU Contractor in Louisville, CO?
Working with a licensed ADU contractor familiar with Louisville's specific building codes can save homeowners significant time and money. Local contractors understand the nuances of building in Colorado's Front Range climate, including proper insulation standards for cold winters and energy efficiency requirements aligned with Colorado's building codes. They also have established relationships with the Louisville Building Division, helping to streamline the permitting process.
Types of ADUs Popular in Louisville
Louisville homeowners are increasingly exploring a variety of ADU types to accommodate multigenerational living, generate rental income, or create home office spaces. The most popular options include:
- Detached ADUs — standalone structures in the backyard, ideal for larger lots common in Louisville's residential neighborhoods.
- Garage Conversions — transforming existing attached or detached garages into livable spaces.
- Basement ADUs — finishing or converting existing basement space into a separate dwelling unit.
- Attached ADUs — additions built onto the primary home with a separate entrance.
Start Your Louisville ADU Project Today
With Louisville's strong rental market and high property values, investing in an ADU is a smart financial decision for many homeowners. Partnering with a qualified, experienced ADU contractor in Louisville, Colorado ensures your project meets all local regulations, is built to last in Colorado's climate, and adds lasting value to your property. Contact a trusted local ADU contractor today to discuss your vision and get started on the permitting process.